The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 1999
Filed:
Jan. 15, 1997
Applicant:
Inventors:
John W Harder, Rochester, NY (US);
Paul A Burns, Rochester, NY (US);
Paul P Spara, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430387 ; 430558 ; 430551 ;
Abstract
The invention provides a photographic element comprising a silver halide emulsion layer having associated therewith a dye-forming coupler represented by formula I: ##STR1## wherein X is hydrogen or a coupling-off group; and
Harder, John. (1999). Photographic element having improved magenta dye light stability and (U.S. Patent No. 5925503). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5925503
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile